The 68 bridges that the NTSB recommends for assessment are those designed before the guidance was established and do not have a current vulnerability assessment, the NTSB said.

Three Philadelphia-area bridges and one Bucks County span are among the 68 structures that the National Transportation Safety Board recommends be evaluated for risk of collapse due to vessel ...

Homendy said the vulnerability assessments were recommended to bridge owners by the American Association of State Highway and Transportation Officials twice: in 1991 and then in 2009.

Over the last year, the NTSB identified 68 bridges built before 1991 that don't have a "current vulnerability assessment" and need to be evaluated. NTSB recommends 68 bridges in U.S. be evaluated ...

The National Transportation Safety Board (NTSB) on Thursday, March 20, recommended that 30 bridge owners conduct urgent vulnerability assessments after an investigation into the deadly collapse of ...

The U.S. National Transportation Safety Board recommended March 20 that 30 owners of 68 bridges across 19 states conduct a vulnerability assessment to determine the risk of bridge collapse from a ...

The 68 bridges that the NTSB recommends for assessment are those designed before the guidance was established and do not have a current vulnerability assessment, the NTSB said.

WASHINGTON — Nearly a year since the catastrophic collapse of the Francis Scott Key Bridge after a container ship struck one of its piers, the National Transportation Safety Board is ...

Nearly a year since the catastrophic collapse of the Francis Scott Key Bridge after a container ship struck one of its piers, the National Transportation Safety Board is recommending that the owners ...